LM89 datasheet(22/37 Pages) TI

22 / 37 page

LM89

SNIS128D – AUGUST 2002 – REVISED JUNE 2014

www.ti.com

9.6.7 Local And Remote Low Setpoint Registers (LLS, RLSHB, And RLSLB)

Table 9. Local And Remote Low Setpoint Registers (LLS, RLSHB) (Read Address 06h, 08h, /Write

Address 0Ch, 0Eh):

BIT

Value

SIGN

For LLS and RLSHB: HIGH setpoint temperature data. Power up default is LHIGH = RHIGH = 0°C. 1 LSB = 1°C.

Two's complement format.

Table 10. Local And Remote Low Setpoint Registers (RLSLB) (Read/Write Address 14h):

BIT

Value

0.5

0.25

0.125

For RLSLB: Remote HIGH Setpoint Low Byte temperature data. Power up default is 0°C. 1 LSB = 0.125°C.

Two's complement format.

9.6.8 Remote Temperature Offset Registers (RTOHB And RTOLB)

Table 11. Remote Temperature Offset Registers (RTOHB)(Read/Write Address 11h):

BIT

Value

SIGN

For RTOHB: Remote Temperature Offset High Byte. Power up default is LHIGH = RHIGH = 0°C. 1 LSB = 1°C.

Two's complement format.

Table 12. Remote Temperature Offset Registers (RTOLB) (Read/Write Address 12h):

BIT

Value

0.5

0.25

0.125

For RTOLB: Remote Temperature Offset High Byte. Power up default is 0°C. 1 LSB = 0.125°C. Two's

complement format.

The offset value written to these registers will automatically be added to or subtracted from the remote

temperature measurement that will be reported in the Remote Temperature registers.

9.6.9 Local And Remote T_crit Registers (RCS And LCS)

Table 13. Local And Remote T_CRIT Registers (RCS And LCS) (Read/Write Address 20h, 19h):

BIT

Value

SIGN

D7–D0: T_CRIT setpoint temperature data. Power up default is Local T_CRIT = 85°C (LM89C and LM89-1C) or

105°C (LM89-1D), and Remote T_CRIT=110°C. 1 LSB = 1°C, two's complement format.

9.6.10 T_CRIT Hysteresis Register (TH)

Table 14. T_CRIT Hysteresis Register (TH) (Read And Write Address 21h):

BIT

Value

Submit Documentation Feedback

Product Folder Links: LM89

LM89 Datasheet(PDF) 22 Page - Texas Instruments

LM89 Datasheet(HTML) 22 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37

Datasheet Download

Link URL